What EPA's radon map says about Las Animas County
EPA's own radon map rates Las Animas County zone 1 - highest potential, predicting a county-wide average indoor level above 4 pCi/L. Nationally, Las Animas County ranks higher in radon potential than 79% of rated counties (the 79th percentile).
Where Las Animas County sits nationally
About 14,518 people live in Las Animas County, Colorado, spread over 4,772.938 square miles. Averaged across its land area, Las Animas County runs about 3 people per square mile. Among counties sharing Las Animas County's EPA zone, it outranks 37% of them by population. EPA's geology-based Region 8 groups Las Animas County with 290 other counties nationally sharing its underlying rock and soil profile.
What this actually means for a house in Las Animas County
Where the national indoor average runs about 1.3 pCi/L, Las Animas County's Zone 1 rating puts its predicted county average above EPA's 4 pCi/L action level itself. A Zone 1 rating means testing is worth doing sooner rather than later, but it is still county-wide average, not a reading for any single house — some homes in Las Animas County will test well under the action level, and EPA's guidance is to test regardless of zone.
If Las Animas County tests above the action level
Mitigation cost doesn't depend on Las Animas County's zone — it depends on the house's foundation. A typical system runs $800–$2,500 (about $1,200 typical), and testing first is what tells you whether that's needed at all.
Find Colorado's state radon program
Las Animas County's test kit answers today; a Airthings radon monitor keeps answering for Las Animas County over time. Affiliate link, RadonZoneCheck earns a commission there, at no extra cost to you. Code RADONZONE-10OFF takes 10% off at checkout.
More on how this number was built
The methodology guide shows exactly which EPA and Census sources feed Las Animas County's numbers. Whatever zone Las Animas County carries, the zone explainer covers what it does and doesn't tell you about any one house.